Key points
General information
This effect was originally available for console versions but it was absent in the PC version. Download from Mod DB
If your monitor resolution does not match the game's or you are using a second monitor it will crash on load. This seems most common when your desktop is set to 1920x1280. To fix this set your desktop resolution to 1650x1050 and boot the game. From there navigate to the options and change the game resolution. You can now exit out of the game and change your resolution back and the game should boot.
To fix the dual screen issue you need to:
It will disable Aero but turn it back on when you're done playing and you can keep both screens plugged in.
There is also a problem where if your monitor is set to a refresh rate of 59 instead of 60 the game may crash. To fix this in windows right click your desktop, select properties or screen resolution, click advanced under the resolution tab, and change your monitor to a 60 Hz refresh rate.
If you are running Windows 8/8.1 another fix is to set the game's compatibility to Windows 7. Find the game's install directory. If you have purchased the game through Steam, right-click the game in your library and click properties. Select the Local Files tab, then click browse local files. Right-click on SWTFU2.exe, select properties, then compatibility. Click the Compatibility Mode box and select Windows 7.
Change your default .wmv video player to Windows Media Player.
A sound bug that causes no music, no blasterfire and no menu sounds to be audible. Level files have to be replaced. See this thread for the fix: http://forums.steampowered.com/forums/showthread.php?t=1481323